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Finding the Fourth Proportional to 539,102.39, 808,417.62 and 201,906.63

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Solution

The fourth proportional to 539,102.39, 808,417.62 and 201,906.63 is: 302,771.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,102.39 : 808,417.62 = 201,906.63 : x
  2. Step 2: Convert to fraction form
    539,102.39/808,417.62 = 201,906.63/x
  3. Step 3: Cross multiply
    539,102.39x = 808,417.62 × 201,906.63
  4. Step 4: Simplify right side
    539,102.39x = 163,224,877,286.82
  5. Step 5: Solve for x
    x = 163,224,877,286.82/539,102.39
  6. Step 6: Final answer
    x = 302,771.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.